Initial import

1 files changed, 254 insertions, 0 deletions

diff --git a/drivers/media/firewire/firedtv-fe.c b/drivers/media/firewire/firedtv-fe.c
new file mode 100644
index 000000000..6fe9793b9
--- /dev/null
+++ b/drivers/media/firewire/firedtv-fe.c
@@ -0,0 +1,254 @@
+/*
+ * FireDTV driver (formerly known as FireSAT)
+ *
+ * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
+ * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License as
+ *	published by the Free Software Foundation; either version 2 of
+ *	the License, or (at your option) any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include <dvb_frontend.h>
+
+#include "firedtv.h"
+
+static int fdtv_dvb_init(struct dvb_frontend *fe)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+	int err;
+
+	/* FIXME - allocate free channel at IRM */
+	fdtv->isochannel = fdtv->adapter.num;
+
+	err = cmp_establish_pp_connection(fdtv, fdtv->subunit,
+					  fdtv->isochannel);
+	if (err) {
+		dev_err(fdtv->device,
+			"could not establish point to point connection\n");
+		return err;
+	}
+
+	return fdtv_start_iso(fdtv);
+}
+
+static int fdtv_sleep(struct dvb_frontend *fe)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+
+	fdtv_stop_iso(fdtv);
+	cmp_break_pp_connection(fdtv, fdtv->subunit, fdtv->isochannel);
+	fdtv->isochannel = -1;
+	return 0;
+}
+
+#define LNBCONTROL_DONTCARE 0xff
+
+static int fdtv_diseqc_send_master_cmd(struct dvb_frontend *fe,
+				       struct dvb_diseqc_master_cmd *cmd)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+
+	return avc_lnb_control(fdtv, LNBCONTROL_DONTCARE, LNBCONTROL_DONTCARE,
+			       LNBCONTROL_DONTCARE, 1, cmd);
+}
+
+static int fdtv_diseqc_send_burst(struct dvb_frontend *fe,
+				  fe_sec_mini_cmd_t minicmd)
+{
+	return 0;
+}
+
+static int fdtv_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+
+	fdtv->tone = tone;
+	return 0;
+}
+
+static int fdtv_set_voltage(struct dvb_frontend *fe,
+			    fe_sec_voltage_t voltage)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+
+	fdtv->voltage = voltage;
+	return 0;
+}
+
+static int fdtv_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+	struct firedtv_tuner_status stat;
+
+	if (avc_tuner_status(fdtv, &stat))
+		return -EINVAL;
+
+	if (stat.no_rf)
+		*status = 0;
+	else
+		*status = FE_HAS_SIGNAL | FE_HAS_VITERBI | FE_HAS_SYNC |
+			  FE_HAS_CARRIER | FE_HAS_LOCK;
+	return 0;
+}
+
+static int fdtv_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+	struct firedtv_tuner_status stat;
+
+	if (avc_tuner_status(fdtv, &stat))
+		return -EINVAL;
+
+	*ber = stat.ber;
+	return 0;
+}
+
+static int fdtv_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+	struct firedtv_tuner_status stat;
+
+	if (avc_tuner_status(fdtv, &stat))
+		return -EINVAL;
+
+	*strength = stat.signal_strength << 8;
+	return 0;
+}
+
+static int fdtv_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	struct firedtv *fdtv = fe->sec_priv;
+	struct firedtv_tuner_status stat;
+
+	if (avc_tuner_status(fdtv, &stat))
+		return -EINVAL;
+
+	/* C/N[dB] = -10 * log10(snr / 65535) */
+	*snr = stat.carrier_noise_ratio * 257;
+	return 0;
+}
+
+static int fdtv_read_uncorrected_blocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+	return -EOPNOTSUPP;
+}
+
+static int fdtv_set_frontend(struct dvb_frontend *fe)
+{
+	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+	struct firedtv *fdtv = fe->sec_priv;
+
+	return avc_tuner_dsd(fdtv, p);
+}
+
+void fdtv_frontend_init(struct firedtv *fdtv, const char *name)
+{
+	struct dvb_frontend_ops *ops = &fdtv->fe.ops;
+	struct dvb_frontend_info *fi = &ops->info;
+
+	ops->init			= fdtv_dvb_init;
+	ops->sleep			= fdtv_sleep;
+
+	ops->set_frontend		= fdtv_set_frontend;
+
+	ops->read_status		= fdtv_read_status;
+	ops->read_ber			= fdtv_read_ber;
+	ops->read_signal_strength	= fdtv_read_signal_strength;
+	ops->read_snr			= fdtv_read_snr;
+	ops->read_ucblocks		= fdtv_read_uncorrected_blocks;
+
+	ops->diseqc_send_master_cmd 	= fdtv_diseqc_send_master_cmd;
+	ops->diseqc_send_burst		= fdtv_diseqc_send_burst;
+	ops->set_tone			= fdtv_set_tone;
+	ops->set_voltage		= fdtv_set_voltage;
+
+	switch (fdtv->type) {
+	case FIREDTV_DVB_S:
+		ops->delsys[0]		= SYS_DVBS;
+
+		fi->frequency_min	= 950000;
+		fi->frequency_max	= 2150000;
+		fi->frequency_stepsize	= 125;
+		fi->symbol_rate_min	= 1000000;
+		fi->symbol_rate_max	= 40000000;
+
+		fi->caps		= FE_CAN_INVERSION_AUTO |
+					  FE_CAN_FEC_1_2	|
+					  FE_CAN_FEC_2_3	|
+					  FE_CAN_FEC_3_4	|
+					  FE_CAN_FEC_5_6	|
+					  FE_CAN_FEC_7_8	|
+					  FE_CAN_FEC_AUTO	|
+					  FE_CAN_QPSK;
+		break;
+
+	case FIREDTV_DVB_S2:
+		ops->delsys[0]		= SYS_DVBS;
+		ops->delsys[1]		= SYS_DVBS2;
+
+		fi->frequency_min	= 950000;
+		fi->frequency_max	= 2150000;
+		fi->frequency_stepsize	= 125;
+		fi->symbol_rate_min	= 1000000;
+		fi->symbol_rate_max	= 40000000;
+
+		fi->caps		= FE_CAN_INVERSION_AUTO |
+					  FE_CAN_FEC_1_2        |
+					  FE_CAN_FEC_2_3        |
+					  FE_CAN_FEC_3_4        |
+					  FE_CAN_FEC_5_6        |
+					  FE_CAN_FEC_7_8        |
+					  FE_CAN_FEC_AUTO       |
+					  FE_CAN_QPSK           |
+					  FE_CAN_2G_MODULATION;
+		break;
+
+	case FIREDTV_DVB_C:
+		ops->delsys[0]		= SYS_DVBC_ANNEX_A;
+
+		fi->frequency_min	= 47000000;
+		fi->frequency_max	= 866000000;
+		fi->frequency_stepsize	= 62500;
+		fi->symbol_rate_min	= 870000;
+		fi->symbol_rate_max	= 6900000;
+
+		fi->caps 		= FE_CAN_INVERSION_AUTO |
+					  FE_CAN_QAM_16		|
+					  FE_CAN_QAM_32		|
+					  FE_CAN_QAM_64		|
+					  FE_CAN_QAM_128	|
+					  FE_CAN_QAM_256	|
+					  FE_CAN_QAM_AUTO;
+		break;
+
+	case FIREDTV_DVB_T:
+		ops->delsys[0]		= SYS_DVBT;
+
+		fi->frequency_min	= 49000000;
+		fi->frequency_max	= 861000000;
+		fi->frequency_stepsize	= 62500;
+
+		fi->caps 		= FE_CAN_INVERSION_AUTO		|
+					  FE_CAN_FEC_2_3		|
+					  FE_CAN_TRANSMISSION_MODE_AUTO |
+					  FE_CAN_GUARD_INTERVAL_AUTO	|
+					  FE_CAN_HIERARCHY_AUTO;
+		break;
+
+	default:
+		dev_err(fdtv->device, "no frontend for model type %d\n",
+			fdtv->type);
+	}
+	strcpy(fi->name, name);
+
+	fdtv->fe.dvb = &fdtv->adapter;
+	fdtv->fe.sec_priv = fdtv;
+}